Home / 38,168.88-57,162.82-30,245.92

Finding the Fourth Proportional to 38,168.88, 57,162.82 and 30,245.92

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Solution

The fourth proportional to 38,168.88, 57,162.82 and 30,245.92 is: 45,297.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168.88 : 57,162.82 = 30,245.92 : x
  2. Step 2: Convert to fraction form
    38,168.88/57,162.82 = 30,245.92/x
  3. Step 3: Cross multiply
    38,168.88x = 57,162.82 × 30,245.92
  4. Step 4: Simplify right side
    38,168.88x = 1,728,942,080.69
  5. Step 5: Solve for x
    x = 1,728,942,080.69/38,168.88
  6. Step 6: Final answer
    x = 45,297.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.